Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NPP
TLE Epoch: 2017 2 10.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/12/2017   14:41:51   (  70.13, -44.02) 02/12/2017   14:41:02  (  70.11, -43.97)    2.74                49
 02/12/2017   15:31:21   ( -70.02, 123.45) 02/12/2017   15:31:44  ( -70.04, 123.45)    2.80                23
 02/15/2017   06:58:20   (  70.10,  71.81) 02/15/2017   06:57:55  (  70.08,  71.85)    2.43                25
 02/15/2017   07:47:50   ( -69.99,-120.71) 02/15/2017   07:48:37  ( -70.01,-120.72)    2.14                47
 02/17/2017   22:25:19   ( -70.28,  20.30) 02/17/2017   22:24:06  ( -70.33,  19.93)   15.22                73
 02/17/2017   23:14:48   (  70.06,-172.37) 02/17/2017   23:14:47  (  70.05,-172.33)    1.75                 1
 02/18/2017   00:04:18   ( -69.95,  -4.88) 02/18/2017   00:05:29  ( -69.97,  -4.89)    2.16                71
 02/20/2017   14:41:50   ( -70.13, 135.97) 02/20/2017   14:40:56  ( -70.14, 136.00)    1.84                54
 02/20/2017   15:31:17   (  70.02, -56.55) 02/20/2017   15:31:40  (  70.02, -56.51)    1.43                23
 02/20/2017   16:21:01   ( -69.14, 109.90) 02/20/2017   16:22:07  ( -69.15, 112.09)   86.35                66
 02/23/2017   06:58:19   ( -70.09,-108.21) 02/23/2017   06:57:49  ( -70.11,-108.18)    3.08                30
 02/23/2017   07:47:46   (  69.97,  59.27) 02/23/2017   07:48:33  (  70.00,  59.31)    2.92                47